A self-supported gold/chitosan nanocatalyst was easily obtained by drying a water dispersion followed by powdering it. In this system chitosan acts concomitantly as a stabilizer and support for gold nanoparticles. The self-supported gold/chitosan was applied as catalyst for CC and CO hydrogenation in conjugate and non-conjugate systems. The catalyst showed activity, driving selectivity to saturated alcohols or saturated ketones (selectivities ≥99%) depending on the reducing agent used, NaBH₄ or H₂ respectively. When H₂ was used, the catalyst showed activity only in conjugate CCCO, forming saturated aldehydes and ketones. For isolated CC, CO or conjugate CCCC bonds, no activity was observed.

通过干燥水分散体然后将其粉化，容易获得自支撑的金/壳聚糖纳米催化剂。在该系统中，壳聚糖同时充当金纳米颗粒的稳定剂和载体。自负载金/壳聚糖被用作共轭和非共轭体系中C C和C O加氢的催化剂。催化剂表现出活性，根据所用还原剂分别为NaBH ₄或H ₂，对饱和醇或饱和酮（选择性≥99％）产生选择性。当使用H ₂时，该催化剂仅在共轭C C C O中显示活性，形成饱和的醛和酮。对于分离的C C，C O或共轭C CC C键，未观察到活性。